Re: [NTG-context] Indenting in \setuplines

2013-06-06 Thread Hans Hagen

On 6/6/2013 12:36 AM, Marcin Borkowski wrote:


Sorry to say that, but neither seems to work...


it is hard to say what goes wrong if you only show the error message and 
no real code


Hans

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 | www.pragma-pod.nl
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Re: [NTG-context] Indenting in \setuplines

2013-06-06 Thread Marcin Borkowski
Dnia 2013-06-06, o godz. 09:49:27
Hans Hagen pra...@wxs.nl napisał(a):

 On 6/6/2013 12:36 AM, Marcin Borkowski wrote:
 
  Sorry to say that, but neither seems to work...
 
 it is hard to say what goes wrong if you only show the error message
 and no real code

Sorry for that, my fault.

Now comes the fun part: I *copied* my code from my version of
spac-hor.mkiv to the document, and it started to work then!  Strange.
I attach a MWE.  Hans, is it possible to add something like that to
spac-hor.mkiv?  (This code is not very nice, there's some duplication,
but it's simple and works;).)

 cut here 
\unprotect
\installindentingmethod{oddpairs}{\c_spac_indentation_toggle_state\plusthree}
\installindentingmethod{evenpairs}{\c_spac_indentation_toggle_state\plusfour}

\newcount \c_spac_par_modulo_four

\def\spac_indentation_evenpairs_toggle
  {%
   \advance \c_spac_par_modulo_four \plusone
   \ifnum \c_spac_par_modulo_four=4
 \c_spac_par_modulo_four=0
   \fi
   \ifcase \c_spac_par_modulo_four
   \global\indentationtrue
 \or
   \global\indentationfalse  \spac_indentation_remove
 \or
   \global\indentationfalse  \spac_indentation_remove
 \or
   \global\indentationtrue
   \fi 
  }

\def\spac_indentation_oddpairs_toggle
  {%
   \advance \c_spac_par_modulo_four \plusone
   \ifnum \c_spac_par_modulo_four=4
 \c_spac_par_modulo_four=0
   \fi
   \ifcase \c_spac_par_modulo_four
   \global\indentationfalse  \spac_indentation_remove
 \or
   \global\indentationtrue
 \or
   \global\indentationtrue
 \or
   \global\indentationfalse  \spac_indentation_remove
   \fi 
  }

\def\spac_indentation_check_toggle
  {\ifcase\c_spac_indentation_toggle_state
 % nothing
   \or% odd
 \spac_indentation_no_toggle
   \or% even
 \spac_indentation_do_toggle
   \or% oddpairs
 \global\let\checkindentation\spac_indentation_oddpairs_toggle
   \or% evenpairs
 \global\let\checkindentation\spac_indentation_evenpairs_toggle
   \fi}

\protect

\setupindenting[yes,1em]
\starttext

\startlines[indenting=evenpairs]
Lorem ipsum
dolor sit amet,
consectetuer adipiscing elit.
Ut purus elit,
vestibulum ut,
placerat ac, adipiscing vitae, felis.
Curabitur dictum gravida mauris.
Nam arcu libero, nonummy eget,
consectetuer id, vulputate a, magna.
Donec vehicula augue eu neque.
\stoplines

\stoptext
 cut here 

 Hans

Best,

-- 
Marcin Borkowski
http://octd.wmi.amu.edu.pl/en/Marcin_Borkowski
Adam Mickiewicz University
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Re: [NTG-context] Indenting in \setuplines

2013-06-05 Thread Marcin Borkowski
Dnia 2013-06-03, o godz. 15:20:45
Marcin Borkowski mb...@wmi.amu.edu.pl napisał(a):

 Hi,
 
 I'd like to have my \startlines ... \stoplines indented in the
 following way: the first two lines unindented, the next two indented,
 and so on.  Basically, this means that I'd like the pattern to be
 based on (mod 4) arithmetic and not (mod 2).  Is it possible?  If
 yes, how?

OK, so I thought I can handle this... but not:(.

I found the relevant definitions in spac-hor.mkiv and tried to add a
line saying

\installindentingmethod
\v!evenpairs{\c_spac_indentation_toggle_state\plusfour}

But after context --make I got an Undefined control sequence.  Here's
an excerpt from the log information:

! Undefined control sequence.

system   tex  error on line 108 in
file 
/home/marcin/context-2013-05-22-19-28/tex/texmf-context/tex/context/base/spac-hor.mkiv:
Undefined control sequence ...

 98 
 99 \installindentingmethod \v!yes
 {\parindent\d_spac_indentation_par\relax} % not \indent ! 100
 \installindentingmethod
 \v!always{\parindent\d_spac_indentation_par\relax} % not \indent ! 101
 102 \installindentingmethod \v!never
 {\parindent\zeropoint\relax % no \indent !
 103
 \c_spac_indentation_toggle_state\zerocount} 104 105
 \installindentingmethod \v!odd
 {\c_spac_indentation_toggle_state\plusone} 106
 \installindentingmethod \v!even
 {\c_spac_indentation_toggle_state\plustwo} 107
 %\installindentingmethod \v!oddpairs
 {\c_spac_indentation_toggle_state\plusthree} 108 
 \installindentingmethod \v!evenpairs
 {\c_spac_indentation_toggle_state\plusfour} 109 110
 \installindentingmethod \v!normal{\ifx\normalindentation\empty\else
 111
 \let\v_spac_indentation_current\normalindentation
 112 \simplesetupindenting
 113   \fi} 114 115
 \installindentingmethod \v!reset
 {\settrue\c_spac_indentation_indent_first
 116   \parindent\zeropoint
 117
 \c_spac_indentation_toggle_state\zerocount} 118 

argument \??indentingmethod \v!evenpairs 

\setvalue #1?-\expandafter \def \csname #1
  \endcsname 
\installindentingmethod ...{\??indentingmethod #1}
  {#2}
l.108 ...{\c_spac_indentation_toggle_state\plusfour}
  
What am I doing wrong?

 TIA,

Best,

-- 
Marcin Borkowski
http://octd.wmi.amu.edu.pl/en/Marcin_Borkowski
Adam Mickiewicz University
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Re: [NTG-context] Indenting in \setuplines

2013-06-05 Thread Hans Hagen

On 6/5/2013 11:06 PM, Marcin Borkowski wrote:

Dnia 2013-06-03, o godz. 15:20:45
Marcin Borkowski mb...@wmi.amu.edu.pl napisał(a):


Hi,

I'd like to have my \startlines ... \stoplines indented in the
following way: the first two lines unindented, the next two indented,
and so on.  Basically, this means that I'd like the pattern to be
based on (mod 4) arithmetic and not (mod 2).  Is it possible?  If
yes, how?


OK, so I thought I can handle this... but not:(.

I found the relevant definitions in spac-hor.mkiv and tried to add a
line saying

\installindentingmethod
\v!evenpairs{\c_spac_indentation_toggle_state\plusfour}


% there is no \v!evenpairs

\unprotect

% english interface only:

\installindentingmethod
  {evenpairs}
  {\c_spac_indentation_toggle_state\plusfour}

% or maybe:

\installindentingmethod
  \v!quadruple
  {\c_spac_indentation_toggle_state\plusfour}

% as \v!quadruple is a known keyword

\protect

-
  Hans Hagen | PRAGMA ADE
  Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com
 | www.pragma-pod.nl
-
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Re: [NTG-context] Indenting in \setuplines

2013-06-05 Thread Marcin Borkowski
Dnia 2013-06-06, o godz. 00:22:04
Hans Hagen pra...@wxs.nl napisał(a):

 On 6/5/2013 11:06 PM, Marcin Borkowski wrote:
  Dnia 2013-06-03, o godz. 15:20:45
  Marcin Borkowski mb...@wmi.amu.edu.pl napisał(a):
 
  Hi,
 
  I'd like to have my \startlines ... \stoplines indented in the
  following way: the first two lines unindented, the next two
  indented, and so on.  Basically, this means that I'd like the
  pattern to be based on (mod 4) arithmetic and not (mod 2).  Is it
  possible?  If yes, how?
 
  OK, so I thought I can handle this... but not:(.
 
  I found the relevant definitions in spac-hor.mkiv and tried to add a
  line saying
 
  \installindentingmethod
  \v!evenpairs{\c_spac_indentation_toggle_state\plusfour}
 
 % there is no \v!evenpairs
 
 \unprotect
 
 % english interface only:
 
 \installindentingmethod
{evenpairs}
{\c_spac_indentation_toggle_state\plusfour}
 
 % or maybe:
 
 \installindentingmethod
\v!quadruple
{\c_spac_indentation_toggle_state\plusfour}
 
 % as \v!quadruple is a known keyword
 
 \protect

Sorry to say that, but neither seems to work...

! Missing number, treated as zero.

to be read again 
   q
\v_spac_indentation_current -q
   uadruple
\4unknown #1#2#3#4#5-#2=#1
\relax 
\spac_indentation_apply_step_one ...on_setup_size 
  \fi 
\next1 #1,-\spac_indentation_apply_step_one {#1}
 \syst_helpers_do_process_co...
\syst_helpers_do_process_comma_list ...rgument #1,
  ]\relax \global
\advance \... ...
l.36 \startlines[indenting=quadruple]
 
? 

What do I do?  (And what do I do if I really want evenpairs,
especially that I'd like to have oddpairs, too, so quadruple is not
really a good keyword for me?)

TIA,

-- 
Marcin Borkowski
http://octd.wmi.amu.edu.pl/en/Marcin_Borkowski
Adam Mickiewicz University
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